BOUHASSOUN, Abdelkader; ZELLAL, Mohamed. The variational homotopy perturbation method for solving the K(2,2)equations. International Journal of Applied Mathematical Research, [S. l.], v. 2, n. 2, p. 338–344, 2013. DOI: 10.14419/ijamr.v2i2.899. Disponível em: https://sciencepubco.com/index.php/ijamr/article/view/899.. Acesso em: 24 may. 2024.